... less than 24 hour Properly settled sampling rate and frequency response to support advanced diagnostic tools of Arrhythmia Template ... tools for analysis of QT Dispersion, HRV(time domain,frequency domain,Lorenz plot), Atrial Fibrillation/flutter, T wave alteration ... time domain, frequency domain and non linear with Lorenz/Poincare Plot and different trend graphkey words: Medical device Holter System ...